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dos33fsprogs
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dos33: update slightly how mkdos33fs works

This commit is contained in:
Vince Weaver 2022-09-05 18:58:09 -04:00
parent 3e93b60331
commit c2faa9ec61
1 changed files with 13 additions and 8 deletions
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21
utils/dos33fs-utils/mkdos33fs.c
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@ -224,12 +224,12 @@ int main(int argc, char **argv) {
vtoc_buffer[VTOC_BYTES_PER_SH]=(sector_size>>8)&0xff;
/* Set sector bitmap so whole disk is free */
for(i=VTOC_FREE_BITMAPS;i<sector_size;i+=4) {
vtoc_buffer[i]=0xff;
vtoc_buffer[i+1]=0xff;
for(i=0;i<num_tracks;i++) {
vtoc_buffer[VTOC_FREE_BITMAPS+(i*4)]=0xff;
vtoc_buffer[VTOC_FREE_BITMAPS+(i*4)+1]=0xff;
if (num_sectors>16) {
vtoc_buffer[i+2]=0xff;
vtoc_buffer[i+3]=0xff;
vtoc_buffer[VTOC_FREE_BITMAPS+(i*4)+2]=0xff;
vtoc_buffer[VTOC_FREE_BITMAPS+(i*4)+3]=0xff;
}
}
@ -265,10 +265,15 @@ int main(int argc, char **argv) {
/* if copying dos reserve tracks 1 and 2 as well */
for(i=0;i<num_sectors;i++) {
dos33_vtoc_reserve_sector(vtoc_buffer, 1, i);
dos33_vtoc_reserve_sector(vtoc_buffer, 2, i);
}
/* FIXME: free some room as DOS doesn't use all */
/* of track 2*/
/* free some room as DOS doesn't use all */
/* of track 2, only sectors 0-4 */
dos33_vtoc_reserve_sector(vtoc_buffer, 2, 0);
dos33_vtoc_reserve_sector(vtoc_buffer, 2, 1);
dos33_vtoc_reserve_sector(vtoc_buffer, 2, 2);
dos33_vtoc_reserve_sector(vtoc_buffer, 2, 3);
dos33_vtoc_reserve_sector(vtoc_buffer, 2, 4);
}